[3] However it is during the reign of William the Lion that the first reliable record of the family is found, when Serle de Dundas appears on a deed from this period.

[3] Sir Archibald Dundas was a favourite of James III of Scotland and was sent by him on several important missions into England.

[3] The next king, James IV of Scotland did, bestowing lands upon Dundas which included the island of Inchgarvie - with the right to build a castle there.

[3] The Dundases of Arniston were the senior cadets of the clan and they acquired distinction through high legal and political office.

[3] Upon the Restoration of 1660 Dundas accepted an offer to have a seat on the bench of the supreme court despite not being a professional lawyer.